Ulvac DAU-20 - Product Outline; Purpose of Use and Prohibitions; Specifications

1
1.Product Outline
1.1 Purpose of Use and Prohibitions
This product is a dry vacuum pump which employs reciprocating motion of a rubber diaphragm
for vacuum discharge.
Observe the following prohibitions to ensure normal operation of the pump.
＜Prohibitions＞
(1) Do not use in the exhaust of toxic gas
(1) This pump employs only vacuum operation, and must not be
pressurized.
(2) Do not re-sell, repair, or modify this pump without the approval
of the manufacturer.
(3) Ensure that the gas entering the pump does not contain
rubbish, dust, or water (except steam).
(4) Do not operate the pump for long periods at near-atmospheric
pressure.
1.2 Specifications
Table.1 Specifications
Model
DAU-20
Discharge
rate
50Hz
20 L/min
60Hz
23 L/min
Pressure achieved
200 Pa
motor
AC100V
AC115V
AC200V
AC220V
AC230V
1φ,80W,4P,Capacitor-run, thermal protector（automatic reset）
Rated current
(A)
50Hz
1.46
1.3
0.77
0.70
0.67
60Hz
1.46
1.3
0.74
0.72
0.68
Speed
(r/min)
50Hz
1320
1295
1315
1310
1310
60Hz
1610
1605
1615
1610
1610
Inlet and outlet piping
O.D.φ10×I.D.φ6（Rc1/8）
Weight
7.5 kg
Air temperture
5 ～ 40 ℃
External dimensions
161mm(W)×327mm(L)×217mm(H)
Excess Voltage Category
Ⅱ
Pollution Degree
2
Warning
Note
Danger